1352512261109 has 2 divisors, whose sum is σ = 1352512261110. Its totient is φ = 1352512261108.

The previous prime is 1352512261097. The next prime is 1352512261147. The reversal of 1352512261109 is 9011622152531.

It is a happy number.

It is an a-pointer prime, because the next prime (1352512261147) can be obtained adding 1352512261109 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 888815272900 + 463696988209 = 942770^2 + 680953^2 .

It is an emirp because it is prime and its reverse (9011622152531) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1352512261109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1352512201109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 676256130554 + 676256130555.

It is an arithmetic number, because the mean of its divisors is an integer number (676256130555).

Almost surely, 2^{1352512261109} is an apocalyptic number.

It is an amenable number.

1352512261109 is a deficient number, since it is larger than the sum of its proper divisors (1).

1352512261109 is an equidigital number, since it uses as much as digits as its factorization.

1352512261109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32400, while the sum is 38.

The spelling of 1352512261109 in words is "one trillion, three hundred fifty-two billion, five hundred twelve million, two hundred sixty-one thousand, one hundred nine".